/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:45:19,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:45:19,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:45:19,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:45:19,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:45:19,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:45:19,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:45:19,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:45:19,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:45:19,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:45:19,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:45:19,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:45:19,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:45:19,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:45:19,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:45:19,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:45:19,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:45:19,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:45:19,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:45:19,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:45:19,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:45:19,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:45:19,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:45:19,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:45:19,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:45:19,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:45:19,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:45:19,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:45:19,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:45:19,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:45:19,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:45:19,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:45:19,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:45:19,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:45:19,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:45:19,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:45:19,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:45:19,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:45:19,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:45:19,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:45:19,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:45:19,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:45:19,813 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:45:19,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:45:19,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:45:19,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:45:19,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:45:19,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:45:19,815 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:45:19,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:45:19,815 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:45:19,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:45:19,816 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:45:19,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:45:19,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:45:19,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:45:19,816 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:45:19,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:45:19,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:45:19,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:45:19,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:45:19,817 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:45:19,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:45:19,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:45:19,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:45:19,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:45:19,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:45:20,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:45:20,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:45:20,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:45:20,034 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:45:20,035 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:45:20,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 04:45:20,962 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:45:21,405 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:45:21,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 04:45:21,443 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deb495aa/b7d51d2f6c354623bb8db65233abf4a0/FLAGd2948daf3 [2023-04-03 04:45:21,456 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deb495aa/b7d51d2f6c354623bb8db65233abf4a0 [2023-04-03 04:45:21,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:45:21,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:45:21,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:45:21,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:45:21,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:45:21,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:45:21" (1/1) ... [2023-04-03 04:45:21,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2983b043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:21, skipping insertion in model container [2023-04-03 04:45:21,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:45:21" (1/1) ... [2023-04-03 04:45:21,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:45:21,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:45:22,288 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-04-03 04:45:23,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:45:23,104 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:45:23,176 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-04-03 04:45:23,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:45:23,483 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:45:23,483 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:45:23,483 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:45:23,488 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:45:23,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23 WrapperNode [2023-04-03 04:45:23,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:45:23,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:45:23,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:45:23,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:45:23,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:45:23,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:45:23,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:45:23,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:45:23,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (1/1) ... [2023-04-03 04:45:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:45:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:45:23,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:45:23,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:45:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:45:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:45:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:45:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:45:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 04:45:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 04:45:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 04:45:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:45:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-04-03 04:45:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-04-03 04:45:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-03 04:45:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-04-03 04:45:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-04-03 04:45:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2023-04-03 04:45:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_8 [2023-04-03 04:45:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2023-04-03 04:45:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:45:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 04:45:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_2 [2023-04-03 04:45:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_3 [2023-04-03 04:45:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_5 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_6 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_7 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_12 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2023-04-03 04:45:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_21 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_26 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_27 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_28 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_29 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_30 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 04:45:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2023-04-03 04:45:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_dcd_change [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_register_drivers_39 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_drivers_40 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-04-03 04:45:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_2 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_1 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_44 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_45 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_46 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_47 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_48 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_49 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-03 04:45:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 04:45:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:45:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2023-04-03 04:45:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 04:45:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-04-03 04:45:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_sysrq [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destruct_7 [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_5 [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_4 [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-03 04:45:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2023-04-03 04:45:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_install [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_show_dynids [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-04-03 04:45:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:45:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-03 04:45:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 04:45:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2023-04-03 04:45:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_21 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_2 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_12 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_3 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_5 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_6 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_7 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_26 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_29 [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 04:45:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_27 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_28 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_30 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-04-03 04:45:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:45:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_2 [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2023-04-03 04:45:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_8 [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_1 [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-04-03 04:45:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2023-04-03 04:45:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-04-03 04:45:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 04:45:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 04:45:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2023-04-03 04:45:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_register_drivers_39 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_drivers_40 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_dcd_change [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-03 04:45:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_44 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_47 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_46 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_49 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_45 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_48 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:45:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:45:24,751 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:45:24,759 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:45:25,099 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:45:28,018 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2023-04-03 04:45:33,571 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:45:34,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:45:34,410 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 04:45:34,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:45:34 BoogieIcfgContainer [2023-04-03 04:45:34,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:45:34,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:45:34,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:45:34,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:45:34,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:45:21" (1/3) ... [2023-04-03 04:45:34,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352af8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:45:34, skipping insertion in model container [2023-04-03 04:45:34,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:45:23" (2/3) ... [2023-04-03 04:45:34,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352af8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:45:34, skipping insertion in model container [2023-04-03 04:45:34,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:45:34" (3/3) ... [2023-04-03 04:45:34,421 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 04:45:34,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:45:34,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:45:34,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:45:34,526 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@492d1a25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:45:34,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:45:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 2778 states, 1651 states have (on average 1.2883101150817686) internal successors, (2127), 1717 states have internal predecessors, (2127), 790 states have call successors, (790), 331 states have call predecessors, (790), 329 states have return successors, (776), 755 states have call predecessors, (776), 776 states have call successors, (776) [2023-04-03 04:45:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-03 04:45:34,567 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:34,567 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:34,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:34,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1568668879, now seen corresponding path program 1 times [2023-04-03 04:45:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:34,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988557689] [2023-04-03 04:45:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:45:35,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988557689] [2023-04-03 04:45:35,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988557689] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:35,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:35,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:35,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606105278] [2023-04-03 04:45:35,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:35,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:35,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:35,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:35,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:35,306 INFO L87 Difference]: Start difference. First operand has 2778 states, 1651 states have (on average 1.2883101150817686) internal successors, (2127), 1717 states have internal predecessors, (2127), 790 states have call successors, (790), 331 states have call predecessors, (790), 329 states have return successors, (776), 755 states have call predecessors, (776), 776 states have call successors, (776) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 04:45:36,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:36,111 INFO L93 Difference]: Finished difference Result 7322 states and 9967 transitions. [2023-04-03 04:45:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:36,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 84 [2023-04-03 04:45:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:36,140 INFO L225 Difference]: With dead ends: 7322 [2023-04-03 04:45:36,140 INFO L226 Difference]: Without dead ends: 4798 [2023-04-03 04:45:36,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:36,155 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 3182 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3182 SdHoareTripleChecker+Valid, 5964 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:36,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3182 Valid, 5964 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 04:45:36,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2023-04-03 04:45:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4795. [2023-04-03 04:45:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4795 states, 2892 states have (on average 1.2835408022130015) internal successors, (3712), 2971 states have internal predecessors, (3712), 1324 states have call successors, (1324), 581 states have call predecessors, (1324), 578 states have return successors, (1315), 1276 states have call predecessors, (1315), 1315 states have call successors, (1315) [2023-04-03 04:45:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4795 states to 4795 states and 6351 transitions. [2023-04-03 04:45:36,469 INFO L78 Accepts]: Start accepts. Automaton has 4795 states and 6351 transitions. Word has length 84 [2023-04-03 04:45:36,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:45:36,469 INFO L495 AbstractCegarLoop]: Abstraction has 4795 states and 6351 transitions. [2023-04-03 04:45:36,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 04:45:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4795 states and 6351 transitions. [2023-04-03 04:45:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-03 04:45:36,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:36,477 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:36,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:45:36,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:36,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1556169515, now seen corresponding path program 1 times [2023-04-03 04:45:36,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:36,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125276018] [2023-04-03 04:45:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:45:36,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:36,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125276018] [2023-04-03 04:45:36,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125276018] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:36,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:36,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:36,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849927340] [2023-04-03 04:45:36,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:36,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:36,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:36,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:36,788 INFO L87 Difference]: Start difference. First operand 4795 states and 6351 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 04:45:37,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:37,720 INFO L93 Difference]: Finished difference Result 13924 states and 18366 transitions. [2023-04-03 04:45:37,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:37,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2023-04-03 04:45:37,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:37,903 INFO L225 Difference]: With dead ends: 13924 [2023-04-03 04:45:37,904 INFO L226 Difference]: Without dead ends: 9158 [2023-04-03 04:45:37,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:37,918 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 2972 mSDsluCounter, 2861 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2972 SdHoareTripleChecker+Valid, 5885 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:37,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2972 Valid, 5885 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:45:37,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9158 states. [2023-04-03 04:45:38,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9158 to 9107. [2023-04-03 04:45:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 5475 states have (on average 1.275799086757991) internal successors, (6985), 5625 states have internal predecessors, (6985), 2510 states have call successors, (2510), 1124 states have call predecessors, (2510), 1121 states have return successors, (2501), 2423 states have call predecessors, (2501), 2501 states have call successors, (2501) [2023-04-03 04:45:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 11996 transitions. [2023-04-03 04:45:38,198 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 11996 transitions. Word has length 96 [2023-04-03 04:45:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:45:38,200 INFO L495 AbstractCegarLoop]: Abstraction has 9107 states and 11996 transitions. [2023-04-03 04:45:38,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 04:45:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 11996 transitions. [2023-04-03 04:45:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-03 04:45:38,205 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:38,206 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:38,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:45:38,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:38,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:38,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1532049234, now seen corresponding path program 1 times [2023-04-03 04:45:38,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:38,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192214649] [2023-04-03 04:45:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:38,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-04-03 04:45:38,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:38,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192214649] [2023-04-03 04:45:38,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192214649] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:38,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:38,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:38,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904021183] [2023-04-03 04:45:38,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:38,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:38,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:38,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:38,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:38,468 INFO L87 Difference]: Start difference. First operand 9107 states and 11996 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-03 04:45:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:39,656 INFO L93 Difference]: Finished difference Result 27133 states and 35726 transitions. [2023-04-03 04:45:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:39,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 111 [2023-04-03 04:45:39,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:39,761 INFO L225 Difference]: With dead ends: 27133 [2023-04-03 04:45:39,762 INFO L226 Difference]: Without dead ends: 18055 [2023-04-03 04:45:39,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:39,807 INFO L413 NwaCegarLoop]: 3309 mSDtfsCounter, 3214 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 6251 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:39,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 6251 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:45:39,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18055 states. [2023-04-03 04:45:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18055 to 18003. [2023-04-03 04:45:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18003 states, 10831 states have (on average 1.2753208383344106) internal successors, (13813), 11121 states have internal predecessors, (13813), 4952 states have call successors, (4952), 2222 states have call predecessors, (4952), 2219 states have return successors, (4943), 4791 states have call predecessors, (4943), 4943 states have call successors, (4943) [2023-04-03 04:45:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18003 states to 18003 states and 23708 transitions. [2023-04-03 04:45:40,525 INFO L78 Accepts]: Start accepts. Automaton has 18003 states and 23708 transitions. Word has length 111 [2023-04-03 04:45:40,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:45:40,526 INFO L495 AbstractCegarLoop]: Abstraction has 18003 states and 23708 transitions. [2023-04-03 04:45:40,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-03 04:45:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 18003 states and 23708 transitions. [2023-04-03 04:45:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-03 04:45:40,533 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:40,533 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:40,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:45:40,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:40,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash 524997202, now seen corresponding path program 1 times [2023-04-03 04:45:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:40,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719636915] [2023-04-03 04:45:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:45:40,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:40,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719636915] [2023-04-03 04:45:40,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719636915] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:40,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:40,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598347773] [2023-04-03 04:45:40,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:40,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:40,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:40,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:40,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:40,732 INFO L87 Difference]: Start difference. First operand 18003 states and 23708 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:45:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:42,124 INFO L93 Difference]: Finished difference Result 53247 states and 70628 transitions. [2023-04-03 04:45:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:42,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2023-04-03 04:45:42,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:42,311 INFO L225 Difference]: With dead ends: 53247 [2023-04-03 04:45:42,311 INFO L226 Difference]: Without dead ends: 35273 [2023-04-03 04:45:42,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:42,383 INFO L413 NwaCegarLoop]: 3106 mSDtfsCounter, 3262 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 6035 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:42,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 6035 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:45:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35273 states. [2023-04-03 04:45:43,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35273 to 35135. [2023-04-03 04:45:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35135 states, 21143 states have (on average 1.273849501016885) internal successors, (26933), 21701 states have internal predecessors, (26933), 9662 states have call successors, (9662), 4332 states have call predecessors, (9662), 4329 states have return successors, (10205), 9357 states have call predecessors, (10205), 9653 states have call successors, (10205) [2023-04-03 04:45:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35135 states to 35135 states and 46800 transitions. [2023-04-03 04:45:43,752 INFO L78 Accepts]: Start accepts. Automaton has 35135 states and 46800 transitions. Word has length 108 [2023-04-03 04:45:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:45:43,753 INFO L495 AbstractCegarLoop]: Abstraction has 35135 states and 46800 transitions. [2023-04-03 04:45:43,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:45:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 35135 states and 46800 transitions. [2023-04-03 04:45:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-04-03 04:45:43,757 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:43,757 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:43,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:45:43,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:43,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:43,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1406737885, now seen corresponding path program 1 times [2023-04-03 04:45:43,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:43,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407256881] [2023-04-03 04:45:43,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:45:44,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:44,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407256881] [2023-04-03 04:45:44,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407256881] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:44,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:44,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582873799] [2023-04-03 04:45:44,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:44,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:44,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:44,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:44,707 INFO L87 Difference]: Start difference. First operand 35135 states and 46800 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:45:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:46,988 INFO L93 Difference]: Finished difference Result 69235 states and 92603 transitions. [2023-04-03 04:45:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:46,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2023-04-03 04:45:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:47,297 INFO L225 Difference]: With dead ends: 69235 [2023-04-03 04:45:47,297 INFO L226 Difference]: Without dead ends: 69232 [2023-04-03 04:45:47,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:47,325 INFO L413 NwaCegarLoop]: 3001 mSDtfsCounter, 3164 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3164 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:47,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3164 Valid, 5962 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:45:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69232 states. [2023-04-03 04:45:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69232 to 69204. [2023-04-03 04:45:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69204 states, 41659 states have (on average 1.2747785592549028) internal successors, (53106), 42833 states have internal predecessors, (53106), 19049 states have call successors, (19049), 8579 states have call predecessors, (19049), 8495 states have return successors, (20415), 18303 states have call predecessors, (20415), 19039 states have call successors, (20415) [2023-04-03 04:45:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69204 states to 69204 states and 92570 transitions. [2023-04-03 04:45:50,143 INFO L78 Accepts]: Start accepts. Automaton has 69204 states and 92570 transitions. Word has length 107 [2023-04-03 04:45:50,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:45:50,144 INFO L495 AbstractCegarLoop]: Abstraction has 69204 states and 92570 transitions. [2023-04-03 04:45:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:45:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 69204 states and 92570 transitions. [2023-04-03 04:45:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-03 04:45:50,146 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:45:50,146 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:45:50,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:45:50,146 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:45:50,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:45:50,147 INFO L85 PathProgramCache]: Analyzing trace with hash -660740493, now seen corresponding path program 1 times [2023-04-03 04:45:50,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:45:50,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15200102] [2023-04-03 04:45:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:45:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:45:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:45:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:45:51,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:45:51,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15200102] [2023-04-03 04:45:51,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15200102] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:45:51,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:45:51,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:45:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365262177] [2023-04-03 04:45:51,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:45:51,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:45:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:45:51,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:45:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:51,158 INFO L87 Difference]: Start difference. First operand 69204 states and 92570 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:45:56,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:45:56,396 INFO L93 Difference]: Finished difference Result 206849 states and 278721 transitions. [2023-04-03 04:45:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:45:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2023-04-03 04:45:56,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:45:57,057 INFO L225 Difference]: With dead ends: 206849 [2023-04-03 04:45:57,057 INFO L226 Difference]: Without dead ends: 137674 [2023-04-03 04:45:57,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:45:57,452 INFO L413 NwaCegarLoop]: 3477 mSDtfsCounter, 3224 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 6439 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:45:57,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 6439 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:45:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137674 states. [2023-04-03 04:46:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137674 to 137631. [2023-04-03 04:46:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137631 states, 82916 states have (on average 1.2756765883544792) internal successors, (105774), 85290 states have internal predecessors, (105774), 37919 states have call successors, (37919), 17025 states have call predecessors, (37919), 16795 states have return successors, (41507), 36339 states have call predecessors, (41507), 37907 states have call successors, (41507) [2023-04-03 04:46:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137631 states to 137631 states and 185200 transitions. [2023-04-03 04:46:03,561 INFO L78 Accepts]: Start accepts. Automaton has 137631 states and 185200 transitions. Word has length 108 [2023-04-03 04:46:03,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:46:03,562 INFO L495 AbstractCegarLoop]: Abstraction has 137631 states and 185200 transitions. [2023-04-03 04:46:03,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:46:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 137631 states and 185200 transitions. [2023-04-03 04:46:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-03 04:46:03,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:46:03,565 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:46:03,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:46:03,565 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:46:03,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:46:03,565 INFO L85 PathProgramCache]: Analyzing trace with hash 990347046, now seen corresponding path program 1 times [2023-04-03 04:46:03,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:46:03,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841934145] [2023-04-03 04:46:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:46:03,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:46:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:46:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:46:03,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:46:03,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841934145] [2023-04-03 04:46:03,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841934145] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:46:03,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:46:03,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:46:03,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214675872] [2023-04-03 04:46:03,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:46:03,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:46:03,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:46:03,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:46:03,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:46:03,820 INFO L87 Difference]: Start difference. First operand 137631 states and 185200 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:46:10,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:46:10,140 INFO L93 Difference]: Finished difference Result 205043 states and 280670 transitions. [2023-04-03 04:46:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:46:10,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-04-03 04:46:10,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:46:11,327 INFO L225 Difference]: With dead ends: 205043 [2023-04-03 04:46:11,327 INFO L226 Difference]: Without dead ends: 205040 [2023-04-03 04:46:11,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:46:11,430 INFO L413 NwaCegarLoop]: 3546 mSDtfsCounter, 3169 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 6584 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 04:46:11,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3169 Valid, 6584 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 04:46:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205040 states. [2023-04-03 04:46:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205040 to 204331. [2023-04-03 04:46:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204331 states, 123182 states have (on average 1.2776785569320193) internal successors, (157387), 126980 states have internal predecessors, (157387), 56341 states have call successors, (56341), 25311 states have call predecessors, (56341), 24807 states have return successors, (66103), 53511 states have call predecessors, (66103), 56327 states have call successors, (66103) [2023-04-03 04:46:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204331 states to 204331 states and 279831 transitions. [2023-04-03 04:46:21,351 INFO L78 Accepts]: Start accepts. Automaton has 204331 states and 279831 transitions. Word has length 109 [2023-04-03 04:46:21,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:46:21,352 INFO L495 AbstractCegarLoop]: Abstraction has 204331 states and 279831 transitions. [2023-04-03 04:46:21,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:46:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 204331 states and 279831 transitions. [2023-04-03 04:46:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-03 04:46:21,355 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:46:21,355 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:46:21,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 04:46:21,355 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:46:21,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:46:21,356 INFO L85 PathProgramCache]: Analyzing trace with hash 634458070, now seen corresponding path program 1 times [2023-04-03 04:46:21,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:46:21,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513190154] [2023-04-03 04:46:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:46:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:46:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:46:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:46:21,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:46:21,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513190154] [2023-04-03 04:46:21,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513190154] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:46:21,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:46:21,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:46:21,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198038356] [2023-04-03 04:46:21,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:46:21,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:46:21,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:46:21,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:46:21,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:46:21,577 INFO L87 Difference]: Start difference. First operand 204331 states and 279831 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:46:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:46:33,635 INFO L93 Difference]: Finished difference Result 448736 states and 619119 transitions. [2023-04-03 04:46:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:46:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2023-04-03 04:46:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:46:35,286 INFO L225 Difference]: With dead ends: 448736 [2023-04-03 04:46:35,286 INFO L226 Difference]: Without dead ends: 300334 [2023-04-03 04:46:35,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:46:35,847 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 3061 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 6253 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:46:35,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 6253 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:46:36,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300334 states. [2023-04-03 04:46:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300334 to 299995. [2023-04-03 04:46:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299995 states, 180774 states have (on average 1.2784028676690231) internal successors, (231102), 186564 states have internal predecessors, (231102), 82893 states have call successors, (82893), 37279 states have call predecessors, (82893), 36327 states have return successors, (99647), 78335 states have call predecessors, (99647), 82871 states have call successors, (99647) [2023-04-03 04:46:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299995 states to 299995 states and 413642 transitions. [2023-04-03 04:46:52,021 INFO L78 Accepts]: Start accepts. Automaton has 299995 states and 413642 transitions. Word has length 110 [2023-04-03 04:46:52,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:46:52,022 INFO L495 AbstractCegarLoop]: Abstraction has 299995 states and 413642 transitions. [2023-04-03 04:46:52,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:46:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 299995 states and 413642 transitions. [2023-04-03 04:46:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-03 04:46:52,025 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:46:52,025 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:46:52,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 04:46:52,025 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:46:52,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:46:52,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1808160727, now seen corresponding path program 1 times [2023-04-03 04:46:52,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:46:52,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336305944] [2023-04-03 04:46:52,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:46:52,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:46:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:46:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:46:52,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:46:52,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336305944] [2023-04-03 04:46:52,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336305944] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:46:52,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:46:52,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 04:46:52,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345736247] [2023-04-03 04:46:52,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:46:52,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 04:46:52,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:46:52,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 04:46:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 04:46:52,460 INFO L87 Difference]: Start difference. First operand 299995 states and 413642 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 04:47:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:47:25,530 INFO L93 Difference]: Finished difference Result 599500 states and 827227 transitions. [2023-04-03 04:47:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 04:47:25,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 111 [2023-04-03 04:47:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:47:30,587 INFO L225 Difference]: With dead ends: 599500 [2023-04-03 04:47:30,588 INFO L226 Difference]: Without dead ends: 599138 [2023-04-03 04:47:31,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 04:47:31,411 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 5942 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 5834 mSolverCounterSat, 2789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6544 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 8623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2789 IncrementalHoareTripleChecker+Valid, 5834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:47:31,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6544 Valid, 1107 Invalid, 8623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2789 Valid, 5834 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-04-03 04:47:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599138 states. [2023-04-03 04:48:02,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599138 to 598811. [2023-04-03 04:48:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598811 states, 360845 states have (on average 1.2786902963876456) internal successors, (461409), 372419 states have internal predecessors, (461409), 165721 states have call successors, (165721), 74291 states have call predecessors, (165721), 72244 states have return successors, (199380), 156324 states have call predecessors, (199380), 165684 states have call successors, (199380) [2023-04-03 04:48:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598811 states to 598811 states and 826510 transitions. [2023-04-03 04:48:10,269 INFO L78 Accepts]: Start accepts. Automaton has 598811 states and 826510 transitions. Word has length 111 [2023-04-03 04:48:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:48:10,270 INFO L495 AbstractCegarLoop]: Abstraction has 598811 states and 826510 transitions. [2023-04-03 04:48:10,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 04:48:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 598811 states and 826510 transitions. [2023-04-03 04:48:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 04:48:10,292 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:48:10,292 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:48:10,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 04:48:10,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:48:10,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:48:10,293 INFO L85 PathProgramCache]: Analyzing trace with hash 705163797, now seen corresponding path program 1 times [2023-04-03 04:48:10,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:48:10,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067619358] [2023-04-03 04:48:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:48:10,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:48:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:48:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:48:10,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:48:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067619358] [2023-04-03 04:48:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067619358] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:48:10,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:48:10,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:48:10,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701289172] [2023-04-03 04:48:10,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:48:10,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:48:10,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:48:10,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:48:10,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:48:10,455 INFO L87 Difference]: Start difference. First operand 598811 states and 826510 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)